/var/www/hkosl.com/imusiccircle/webadmin/libraies/dompdf/dompdf/include/fixed_positioner.cls.php


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<?php
/**
 * @package dompdf
 * @link    http://dompdf.github.com/
 * @author  Benj Carson <benjcarson@digitaljunkies.ca>
 * @author  Fabien Ménager <fabien.menager@gmail.com>
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */

/**
 * Positions fixely positioned frames
 */
class Fixed_Positioner extends Positioner {

  function 
__construct(Frame_Decorator $frame) { parent::__construct($frame); }

  function 
position() {

    
$frame $this->_frame;
    
$style $frame->get_original_style();
    
$root $frame->get_root();
    
$initialcb $root->get_containing_block();
    
$initialcb_style $root->get_style();

    
$p $frame->find_block_parent();
    if ( 
$p ) {
      
$p->add_line();
    }

    
// Compute the margins of the @page style
    
$margin_top    $initialcb_style->length_in_pt($initialcb_style->margin_top,    $initialcb["h"]);
    
$margin_right  $initialcb_style->length_in_pt($initialcb_style->margin_right,  $initialcb["w"]);
    
$margin_bottom $initialcb_style->length_in_pt($initialcb_style->margin_bottom$initialcb["h"]);
    
$margin_left   $initialcb_style->length_in_pt($initialcb_style->margin_left,   $initialcb["w"]);
    
    
// The needed computed style of the element
    
$height $style->length_in_pt($style->height$initialcb["h"]);
    
$width  $style->length_in_pt($style->width,  $initialcb["w"]);
    
    
$top    $style->length_in_pt($style->top,    $initialcb["h"]);
    
$right  $style->length_in_pt($style->right,  $initialcb["w"]);
    
$bottom $style->length_in_pt($style->bottom$initialcb["h"]);
    
$left   $style->length_in_pt($style->left,   $initialcb["w"]);

    
$y $margin_top;
    if ( isset(
$top) ) {
      
$y $top $margin_top;
      if ( 
$top === "auto" ) {
        
$y $margin_top;
        if ( isset(
$bottom) && $bottom !== "auto" ) {
          
$y $initialcb["h"] - $bottom $margin_bottom;
          
$margin_height $this->_frame->get_margin_height();
          if ( 
$margin_height !== "auto" ) {
            
$y -= $margin_height;
          }
          else {
            
$y -= $height;
          }
        }
      }
    }

    
$x $margin_left;
    if ( isset(
$left) ) {
      
$x $left $margin_left;
      if ( 
$left === "auto" ) {
        
$x $margin_left;
        if ( isset(
$right) && $right !== "auto" ) {
          
$x $initialcb["w"] - $right $margin_right;
          
$margin_width $this->_frame->get_margin_width();
          if ( 
$margin_width !== "auto" ) {
            
$x -= $margin_width;
          }
          else {
            
$x -= $width;
          }
        }
      }
    }
    
    
$frame->set_position($x$y);

    
$children $frame->get_children();
    foreach(
$children as $child) {
      
$child->set_position($x$y);
    }
  }
}